A highly detailed and hyperrealistic portrait of Doctor Strange, emphasizing cinematic lighting and sharp details, with a subtle blur effect. The expression is confidently stoic, captured in cinematic 8k quality. In the background, a mystical portal shimmers with ethereal light, creating a sense of otherworldly depth. The scene is rendered with the precision of an unreal engine, where intricate textures and a dynamic play of shadows and highlights bring the character to life in a fantastical yet lifelike manner.